RGEPHY_LC_P2
ret_val = em_write_phy_reg_ex(hw, RGEPHY_LC_P2, phy_data);
ret_val = em_read_phy_reg_ex(hw, RGEPHY_LC_P2, &phy_data);
ret_val = em_write_phy_reg_ex(hw, RGEPHY_LC_P2, phy_data);
ret_val= em_read_phy_reg_ex(hw, RGEPHY_LC_P2, &phy_data);